Region
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Middle West
18
Missouri River Valley
18
Mongolia
18
Nova Scotia
18
Balkan Peninsula
17
Beijing (China)
17
Missouri
17
Newfoundland and Labrador
17
Northwestern States
17
Norway
17
Pakistan
17
Washington (State)
17
Yellowstone National Park
17
Bath (England)
16
Boston (Mass.)
16
Columbia River
16
Denmark
16
Great Lakes (North America)
16
Havana (Cuba)
16
Hebrides (Scotland)
16
Pacific States
16
Papua New Guinea
16
Québec (Province)
16
Silk Road
16
Sri Lanka
16
Venice (Italy)
16
Amazon River Region
15
Baja California (Mexico : Peninsula)
15
Grand Canyon (Ariz.)
15
Guatemala
15
Indiana
15
Kansas
15
Mexican-American Border Region
15
Mississippi
15
Niagara Falls (N.Y. and Ont.)
15
Nicaragua
15
Oregon National Historic Trail
15
Venezuela
15
Wisconsin
15
Appalachian Trail
14
Austria
14
Galapagos Islands
14
Hungary
14
Las Vegas (Nev.)
14
Madagascar
14
Mediterranean Sea
14
Michigan
14
Nepal
14
Nile River
14
Northwest Passage
14
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